If i’m not wrong it is called drum line
D is the correct answer.
In the badly drawn diagram attached, you will find the <em>yellow</em> represents wavelength, which is the distance between identical points on consecutive waves.
The <em>green</em> represents the amplitude, which is the distance between the origin (middle) and crest/trough (top/bottom)
Devon Bostick is a Canadian actor known for playing Rodrick Heffley in the first three Diary of a Wimpy Kid movies
Answer: C. Cave Paintings
Explanation: